Battle of the Models

Compare specific LLM models, context windows, and capabilities.

GPT-5 Chat

S-TIER

GitHub Models

Intelligence Score 99/100

Model Popularity 0 votes

Context Window 128K

Pricing Model Free / Open

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S-TIER

Grok (xAI)

Intelligence Score 96/100

Context Window 2M

Pricing Model Commercial / Paid

Model Popularity 0 votes

View Provider Analysis →

FINAL VERDICT

With an intelligence score of 99/100 vs 96/100, GPT-5 Chat outperforms Grok 4.1 Fast by 3 points.

Close Match: The difference is minimal. Consider other factors like pricing and features.

HEAD-TO-HEAD

Feature	GPT-5 Chat	Grok 4.1 Fast
Context Window	128K	2M
Architecture	Transformer (Proprietary)	Transformer
Est. MMLU Score	~92-95%	~92-95%
Release Date	2024	2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	10 RPM (high-tier) / higher for mini-tier	Varies (low for free tier)
Daily Limit	50 RPD (high-tier models) / 150 RPD (mini-tier models)	Credit-based
Capabilities	No specific data	No specific data
Performance Tier	S-Tier (Elite)	S-Tier (Elite)
Speed Estimate	Medium	Medium
Primary Use Case	General Purpose	General Purpose
Model Size	Undisclosed	Undisclosed
Limitations	Restrictive limits Requires GitHub account Rate limits vary by Copilot tier	$25/month credit cap (generous but finite) Lower rate limits on free tier Vision models have smaller context
Key Strengths	Prototyping	Monthly renewing $25 free credits OpenAI-compatible API (drop-in replacement) Real-time knowledge from X/Twitter data